1803d554f1a0751.jpg(请用整数或小数作答)
2
举一反三
- 图示桁架中,1杆的轴力为FP,3杆的轴力为FP。(请用小数作答,有小数的保留2位小数)73cf78cc5dda19ab397dde3161912698.png
- Boston is on the West Coast of America.(请用正确或错误作答)
- The Declaration of Independence was made in 1775.(请用正确或错误作答)
- Modern weapons were used in the Civil War.(请用正确或错误作答)
- The Cold War continued for only a few years.(请用正确或错误作答)
内容
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American president can be elected for 3 terms.(请用正确或错误作答)
- 1
Everyone in America and China can read and write.(请用正确或错误作答)
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1802e90a87df17f.png(用小数作答)
- 3
Christopher Columbus did 5 voyages between 1492 and 1503.(请用正确或错误作答)
- 4
设P(A)=1/3,P(A+B)=1/2,P(AB)=1/4,则P(B)=(答案请用小数表示并保留两位小数)